Persisting vasculitis after pneumococcal meningitis

Deborah Pugin1, Jean-Christophe Copin, Marie-Christelle Goodyear

  • 1Department of Clinical Neuroscience and Dermatology, Geneva University Hospital, and Geneva Medical School, CH-1211 Geneva, Switzerland.

Neurocritical Care
|June 8, 2006
PubMed
Abstract

Insights

Late corticosteroid treatment may improve outcomes for bacterial meningitis patients with parainfectious vasculitis. Cerebrospinal fluid matrix metalloproteinase-9 (MMP-9) levels may indicate this serious complication.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Immunology

Background:

  • Bacterial meningitis presents significant mortality and neurological sequelae risks.
  • Parainfectious vasculitis is a recognized complication leading to ischemic brain damage, yet treatment remains unclear.

Observation:

  • A 53-year-old male with pneumococcal meningitis developed extensive ischemic lesions in the brainstem and basal ganglia due to vasculitis.
  • Clinical and radiological improvements were noted following delayed corticosteroid administration.
  • Vasculitis recurred upon steroid cessation, stabilizing with immunosuppressive therapy reintroduction.

Findings:

  • High cerebrospinal fluid (CSF) matrix metalloproteinase-9 (MMP-9) levels correlated with symptomatic vasculitis.
  • MMP-9 levels decreased significantly with corticotherapy and vasculitic symptom regression.
  • No correlation was found between CSF MMP-9 levels and white blood cell counts.

Implications:

  • Late corticosteroid therapy can be effective for parainfectious vasculitis in bacterial meningitis.
  • CSF MMP-9 may serve as a valuable biomarker for detecting vasculitic complications in bacterial meningitis.

Related Concept Videos

Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pneumothorax-II01:27

Pneumothorax-II

Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...